Компиляция прошла нормально, но линковка не срослась - что надо указать кроме libm?
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans20.ltrans.o: In function `txmikeagc.part.7':
<artificial>:(.text.txmikeagc.part.7+0x9e): undefined reference to `powf'
<artificial>:(.text.txmikeagc.part.7+0x142): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans20.ltrans.o: In function `trxparam_update.lto_priv.546':
<artificial>:(.text.trxparam_update.lto_priv.546+0x5a): undefined reference to `powf'
<artificial>:(.text.trxparam_update.lto_priv.546+0xe0): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans0.ltrans.o: In function `ResetException.lto_priv.457':
<artificial>:(.text.ResetException.lto_priv.457+0x30e): undefined reference to `memcpy'
<artificial>:(.text.ResetException.lto_priv.457+0x31a): undefined reference to `memset'
<artificial>:(.text.ResetException.lto_priv.457+0x1e0c): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans2.ltrans.o: In function `OTG_FS_IRQHandler':
<artificial>:(.text.OTG_FS_IRQHandler+0x1390): undefined reference to `memcpy'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans4.ltrans.o: In function `updateboard.isra.35.lto_priv.330':
<artificial>:(.text.updateboard.isra.35.lto_priv.330+0x8cc): undefined reference to `memcmp'
<artificial>:(.text.updateboard.isra.35.lto_priv.330+0x1148): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans6.ltrans.o: In function `wave_startrecording.lto_priv.347':
<artificial>:(.text.wave_startrecording.lto_priv.347+0x75c): undefined reference to `memset'
<artificial>:(.text.wave_startrecording.lto_priv.347+0x111e): undefined reference to `memset'
<artificial>:(.text.wave_startrecording.lto_priv.347+0x12c8): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans8.ltrans.o: In function `display_bars':
<artificial>:(.text.display_bars+0x2e): undefined reference to `log10f'
<artificial>:(.text.display_bars+0x4e): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans9.ltrans.o: In function `dsp_extbuffer32rx':
<artificial>:(.text.dsp_extbuffer32rx+0x5c6): undefined reference to `atan2f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans9.ltrans.o: In function `audio_update.lto_priv.545':
<artificial>:(.text.audio_update.lto_priv.545+0x492): undefined reference to `memset'
<artificial>:(.text.audio_update.lto_priv.545+0x56c): undefined reference to `sinf'
<artificial>:(.text.audio_update.lto_priv.545+0x578): undefined reference to `cosf'
<artificial>:(.text.audio_update.lto_priv.545+0x594): undefined reference to `sinf'
<artificial>:(.text.audio_update.lto_priv.545+0x5a0): undefined reference to `cosf'
<artificial>:(.text.audio_update.lto_priv.545+0x5c6): undefined reference to `sinf'
<artificial>:(.text.audio_update.lto_priv.545+0x5d2): undefined reference to `cosf'
<artificial>:(.text.audio_update.lto_priv.545+0x5fa): undefined reference to `sinf'
<artificial>:(.text.audio_update.lto_priv.545+0x606): undefined reference to `cosf'
<artificial>:(.text.audio_update.lto_priv.545+0x8a6): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans12.ltrans.o: In function `sync_fs.lto_priv.185':
<artificial>:(.text.sync_fs.lto_priv.185+0x36): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans12.ltrans.o: In function `dir_next.lto_priv.409':
<artificial>:(.text.dir_next.lto_priv.409+0xf6): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o: In function `fir_design_lowpass.lto_priv.484':
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x60): undefined reference to `sinf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x86): undefined reference to `sinf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0xa4): undefined reference to `sinf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0xc2): undefined reference to `sinf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0xe4): undefined reference to `sinf'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o:<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x100): more undefined references to `sinf' follow
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o: In function `fir_design_lowpass.lto_priv.484':
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x168): undefined reference to `memset'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x1c4): undefined reference to `cosf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x1d0): undefined reference to `cosf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x1dc): undefined reference to `cosf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x208): undefined reference to `cosf'
<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x214): undefined reference to `cosf'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o:<artificial>:(.text.fir_design_lowpass.lto_priv.484+0x220): more undefined references to `cosf' follow
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o: In function `agc_times_update.lto_priv.463':
<artificial>:(.text.agc_times_update.lto_priv.463+0x4c): undefined reference to `powf'
<artificial>:(.text.agc_times_update.lto_priv.463+0x84): undefined reference to `powf'
<artificial>:(.text.agc_times_update.lto_priv.463+0xd6): undefined reference to `powf'
<artificial>:(.text.agc_times_update.lto_priv.463+0xfa): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o: In function `agc_times_initialize.lto_priv.547':
<artificial>:(.text.agc_times_initialize.lto_priv.547+0x36): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans14.ltrans.o: In function `DMA1_Stream4_IRQHandler':
<artificial>:(.text.DMA1_Stream4_IRQHandler+0x10a): undefined reference to `memset'
<artificial>:(.text.DMA1_Stream4_IRQHandler+0x11c): undefined reference to `memset'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans16.ltrans.o: In function `smanswer':
<artificial>:(.text.smanswer+0x16): undefined reference to `log10f'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans17.ltrans.o: In function `single_rate_out_write_mcv.constprop.156':
<artificial>:(.text.single_rate_out_write_mcv.constprop.156+0x18): undefined reference to `memset'
<artificial>:(.text.single_rate_out_write_mcv.constprop.156+0x26): undefined reference to `memcpy'
<artificial>:(.text.single_rate_out_write_mcv.constprop.156+0x32): undefined reference to `memcpy'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans17.ltrans.o: In function `fir_design_bandpass_scaled.constprop.140':
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x52): undefined reference to `sinf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x5e): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x7e): undefined reference to `sinf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x8a): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0xac): undefined reference to `sinf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0xb8): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0xdc): undefined reference to `sinf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0xe8): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x12c): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x138): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x144): undefined reference to `cosf'
<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x16a): undefined reference to `cosf'
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans17.ltrans.o:<artificial>:(.text.fir_design_bandpass_scaled.constprop.140+0x176): more undefined references to `cosf' follow
C:\Users\gena\AppData\Local\Temp\ccVWE887.ltrans19.ltrans.o: In function `agc_forvard_float.isra.10.constprop.4':
<artificial>:(.text.agc_forvard_float.isra.10.constprop.4+0xcc): undefined reference to `powf'
<artificial>:(.text.agc_forvard_float.isra.10.constprop.4+0x19e): undefined reference to `log10f'
collect2.exe: error: ld returned 1 exit status
make.exe: *** [tc1_stm32f746zg_rom.elf] Error 1
свежак KGP win32/arm/avr/mips/m68k, GNU tools chain
Jun 10 2016, 20:24
Я его изначально 
